[Javascript] Positioning in IE

Paul Cowan dagda1 at hotmail.com
Tue Jul 27 10:21:23 CDT 2004


All,

I fear this is all getting a little bit silly.  I know my input has helped 
stoke this.

Lets all take deep breaths and calm down.

Paul



dagda1 at hotmail.com





>From: "Matt Barton" <javascript at mattbarton.org>
>Reply-To: "[JavaScript List]" <javascript at LaTech.edu>
>To: "[JavaScript List]" <javascript at LaTech.edu>
>Subject: Re: [Javascript] Positioning in IE
>Date: Tue, 27 Jul 2004 16:08:49 +0100
>
>Oh, I see.  I clearly got too excited when I read ...
>
> >                  glava.style.posLeft="500px"
> >Is the fastest coding syntax for dynamical positioning
>
>... I thought you were going to tell us something interesting about the
>'style.posLeft' attribute, rather than something obvious about document.all
>or document.getElementById.
>
>Ho-hum.
>
>Matt
>
>----- Original Message -----
>From: "Troy III Ajnej" <trojani2000 at hotmail.com>
>To: <javascript at LaTech.edu>
>Sent: Tuesday, July 27, 2004 3:34 PM
>Subject: Re: [Javascript] Positioning in IE
>
>
> >
> >
> > The call: document.all
> > is never to be used inside a loop, it will sllow the script from few to
> > hundred and thousand times, depending on how complex the page is (the
>number
> > of doc objects contained) every time you call  document.all it iterates
>all
> > the objects. Than if you state get element by ID it scrolls again 
>through
> > all the elements containing id, than, it has to compare if one of them
>yelds
> > true to give the permission to ecxecute, if after this you have given 
>f.i.
> > pixelLeft than it has to do some math to decide where to put the 
>element,
> > but if you instruct posLeft, there is no math it assumes zero at left 
>and
> > simply adds the new value. Try some of variants you know that will move
>the
> > object from left to right pixel by pixel in some old computer and see 
>for
> > your self.
> > I use integer +px string with posLeft or Right/\ Top when increasingly
> > possitioning the object.
> > If I recall correctly, when stating pixelLeft, the browser looks up
>previous
> > state than adds positive or negative value to the existing one. And this
> > means more processing. (but of course, with the P4 2.66 or 3.2 GHz you
>will
> > hardly notice the difference.)
> >
> >
> >
> >
> > >From: "Matt Barton" <javascript at mattbarton.org>
> > >Reply-To: "[JavaScript List]" <javascript at LaTech.edu>
> > >To: "[JavaScript List]" <javascript at LaTech.edu>
> > >Subject: Re: [Javascript] Positioning in IE
> > >Date: Tue, 27 Jul 2004 09:15:21 +0100
> > >
> > >----- Original Message -----
> > >From: "Troy III Ajnej" <trojani2000 at hotmail.com>
> > > >
> > > >                   glava.style.posLeft="500px"
> > > >
> > > > Is the fastest coding syntax for dynamical positioning. Specially 
>when
> > > > moving objects pixel by pixel.
> > > > Feel free to ask Why, Hakan.
> > >
> > >Morning,
> > >
> > >Just wondering what the explanation behind this is: I've a few pieces 
>of
> > >code in my intranet app which use dynamic positioning, moving objects
>pixel
> > >by pixel, so anything that could help me understand how to do this more
> > >efficiently would be more than welcome.
> > >
> > >In anticipation,
> > >Matt.
> > >
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